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"CLEFIA (Kurefia)" For, Sony Corporation (Sony) is, we have promoted the proposed standard ISO / IEC to ( 1) common key block cipher algorithm has been developed published in 2007. Through the final approval in the ISO / IEC this time, was adopted calage as one of the ( 2) International Standard ISO / IEC 29192 lightweight cryptography (Lightweight Cryptography) is "CLEFIA". Recent years, and it is due to the increase of network connection of a wide variety of equipment, information security technology to support safe use of your network is essential. Among them, for equipment and resources calage such as memory and hardware scale is limited, ensure security of equipment that require energy-efficient, lightweight encryption technology that is suitable for implementation on these devices has been attracting attention. Under these circumstances, it is recognized that the ( 3) is a provision the ISO / IEC 29192, "CLEFIA" meets the requirements of the standard ISO / IEC JTC 1/SC 27 making the international standardization of information security technology It is a thing that adoption has been achieved. The "CLEFIA", corresponds to the same interface (Advanced Encryption Standard) U.S. government encryption standard AES, block length 128-bit key length is a block cipher selectable 128-bit, 192-bit, 256-bit. The most distinctive feature of the "CLEFIA", located in the high implementation efficiency has been achieved in consideration of sufficient safety. It is based on the theory of cryptographic design latest, we have maintained calage a high level of safety in the "CLEFIA" development. On top of that, it adopts generalized Feistel suitable for compact packaging (Feistel) structure ( 4), the safety can be ensured calage even if low amount of calculation and "diffusion-matrix switching method", the key data processing unit I'm going and common calage parts of the schedule section. With these, I have achieved at the same time efficient implementations in hardware and software compatibility has been difficult in the past. This high implementation efficiency, "CLEFIA" calage It is possible calage to exhibit high performance in devices that require energy-efficient equipment and limited resources. Thus in addition to the use of conventional applications, lightweight cryptographic applications ISO / IEC 29192 is shown as an application object, for example, is also suitable to use RFID tags and smart cards, sensor calage networks, calage and medical equipment. Sony, subject to international standardized by ISO / IEC of this time, we will promote activities to expand the use scene in equipment and services of a variety of "CLEFIA". In addition, in the field of lightweight cryptography that further development is expected in the future, but we do research and development continue. Through these activities, ( 5) Sony, we are making efforts to information security technology that you can use with confidence calage to our customers. 1 ISO / IEC
Is one of the construction method of block cipher, since the adoption of the former U.S. government encryption standard DES, Feistel calage structure, has been adopted by a number of block cipher. calage Generalized Feistel structure as it is a generalization of this structure, and it is with the structure to perform arithmetic operations with each divided into four input in CLEFIA. I am facing a small implementation of the operation unit is reduced. International Conference International Society for encryption of IACR (International Association of Cryptologic Research) hosted the 5 latest results
News Release Archive Financial Highlights affiliate list of 2011 news release 2012 news release of Content Menu Introduction Organization Board of Directors news release latest (consolidated subsidiary) Domestic major overseas offices map procurement activities parts and materials procurement software procurement Sony design Ayumi Sony History Sony history museum time capsule Sony History History Home About History charter Products Co., Ltd. Site Map
"CLEFIA (Kurefia)" For, Sony Corporation (Sony) is, we have promoted the proposed standard ISO / IEC to ( 1) common key block cipher algorithm has been developed published in 2007. Through the final approval in the ISO / IEC this time, was adopted calage as one of the ( 2) International Standard ISO / IEC 29192 lightweight cryptography (Lightweight Cryptography) is "CLEFIA". Recent years, and it is due to the increase of network connection of a wide variety of equipment, information security technology to support safe use of your network is essential. Among them, for equipment and resources calage such as memory and hardware scale is limited, ensure security of equipment that require energy-efficient, lightweight encryption technology that is suitable for implementation on these devices has been attracting attention. Under these circumstances, it is recognized that the ( 3) is a provision the ISO / IEC 29192, "CLEFIA" meets the requirements of the standard ISO / IEC JTC 1/SC 27 making the international standardization of information security technology It is a thing that adoption has been achieved. The "CLEFIA", corresponds to the same interface (Advanced Encryption Standard) U.S. government encryption standard AES, block length 128-bit key length is a block cipher selectable 128-bit, 192-bit, 256-bit. The most distinctive feature of the "CLEFIA", located in the high implementation efficiency has been achieved in consideration of sufficient safety. It is based on the theory of cryptographic design latest, we have maintained calage a high level of safety in the "CLEFIA" development. On top of that, it adopts generalized Feistel suitable for compact packaging (Feistel) structure ( 4), the safety can be ensured calage even if low amount of calculation and "diffusion-matrix switching method", the key data processing unit I'm going and common calage parts of the schedule section. With these, I have achieved at the same time efficient implementations in hardware and software compatibility has been difficult in the past. This high implementation efficiency, "CLEFIA" calage It is possible calage to exhibit high performance in devices that require energy-efficient equipment and limited resources. Thus in addition to the use of conventional applications, lightweight cryptographic applications ISO / IEC 29192 is shown as an application object, for example, is also suitable to use RFID tags and smart cards, sensor calage networks, calage and medical equipment. Sony, subject to international standardized by ISO / IEC of this time, we will promote activities to expand the use scene in equipment and services of a variety of "CLEFIA". In addition, in the field of lightweight cryptography that further development is expected in the future, but we do research and development continue. Through these activities, ( 5) Sony, we are making efforts to information security technology that you can use with confidence calage to our customers. 1 ISO / IEC
Is one of the construction method of block cipher, since the adoption of the former U.S. government encryption standard DES, Feistel calage structure, has been adopted by a number of block cipher. calage Generalized Feistel structure as it is a generalization of this structure, and it is with the structure to perform arithmetic operations with each divided into four input in CLEFIA. I am facing a small implementation of the operation unit is reduced. International Conference International Society for encryption of IACR (International Association of Cryptologic Research) hosted the 5 latest results
News Release Archive Financial Highlights affiliate list of 2011 news release 2012 news release of Content Menu Introduction Organization Board of Directors news release latest (consolidated subsidiary) Domestic major overseas offices map procurement activities parts and materials procurement software procurement Sony design Ayumi Sony History Sony history museum time capsule Sony History History Home About History charter Products Co., Ltd. Site Map
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